Kenneth H. Mercer, Jr. a retired Project Manager at Raytheon passed away after a long illness at the Sunrise Assisted Living in Burlington on Thursday afternoon, August 23, 2007. He was 77 years old. Ken was born in Cambridge, the son of the late Kenneth and Harriet Mercer. He grew up and was educated in both Cambridge and Arlington. He married his wife, Mary in 1952 and they settled in Burlington in 1954. Ken worked as a Project Manager in the Missile Division of Raytheon for 35 years. Ken and his wife also had a small craft business for over 20 years. In the beginning, they would make their products and then sell them at Flea Markets and other events. Then after Ken’s retirement, they opened a store in York Beach Maine called, “The Hole In The Wall” where they would sell their crafts. Ken made tables and crafts and helped with the sales. They worked together for over 12 years until Ken’s illness forced them to close. Ken and Mary were among the first residents of Old Colony Road in Burlington. They raised their 5 children there and had many neighborhood friends. In their retirement years, they spent their time between Florida, Burlington, and York Beach Maine. They had been long time summer residents of York and loved their walks on Long Sands Beach collecting seashells. Ken played semi-pro football for the Cambridge Bobcats. He was also the Treasurer of Boy Scout Troop 518 in Burlington. Ken was a loving husband of 55 years and a devoted and caring father and grandfather. At the time of his death, he was surrounded by his family. Ken was the beloved husband of Mary (Pergamo). He is the loving father of Patricia & her husband Harvey Buchanan of Townsend, Kenneth Mercer & his wife Joyce of Tewksbury, Robert Mercer of Salem, NH, Donald Mercer of Nashua, NH, and David Mercer of Merrimack, NH. He is also survived by 8 grandchildren and 1 great grandchild. Funeral from the Edward V. Sullivan Funeral Home, 43 Winn St., BURLINGTON (Exit 34 off Rt. 128, Woburn side) on Monday, Aug. 27 at 9 a.m. Followed by a Mass of Christian Burial in St. Margaret’s Church, 111 Winn St., at 10 a.m. Visiting hours Sunday 3-7 p.m. Interment in Pine Haven Cemetery, Burlington. Memorials in Ken’s name may be made to Memorials in Ken’s name may be made to St. Margaret’s Building Fund, 111 Winn St., Burlington, MA 01803 & Beacon Hospice, 529 Main St., Suite 101, Boston, MA 02129 Attn: Lighthouse.